Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02K - Dynamo-electric machines › H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet
Patents for H02K 21 - Synchronous motors having permanent magnet; Synchronous generators having permanent magnet (17,141)
10/1999
10/26/1999US5973435 Rotary electric machine having auxiliary permanent magnets
10/26/1999US5973431 Reluctance machine with permanent magnet rotor excitations
10/26/1999US5973426 Motor
10/20/1999CN2344914Y Generator for motor-driven bicycle
10/19/1999US5969909 Print motor assembly for use in a magnetic recording/reproducing apparatus
10/19/1999US5969459 Rotary electric machine having Lundell type core
10/19/1999US5969457 Energy storage flywheel apparatus and methods
10/19/1999US5969445 Brushless motor
10/14/1999WO1999052196A1 Fault tolerant electric machine
10/14/1999DE19916521A1 Brushless fan motor for vehicle air conditioning
10/14/1999DE19911158A1 Bürstenloser Motor Brushless motor
10/14/1999DE19815977A1 Generator arrangement for vehicle
10/14/1999DE19815962A1 Elektrische Maschine, insbesondere für Fahrstuhlantrieb Electrical machine, in particular for lift drive
10/13/1999EP0949747A1 Polyphase motor, in particular for driving the hand of a display
10/13/1999EP0949743A2 Electrical machine, in particular for lift driving apparatus
10/13/1999CN1045698C Motor of scanner
10/12/1999US5964694 Method and apparatus for cardiac blood flow assistance
10/07/1999DE19912990A1 Commutator-less DC motor e.g. for small fan
10/05/1999US5962947 Motor structure
10/05/1999US5962943 Axial gap dynamoelectric machine
10/05/1999US5962942 Rotary electrical machines
10/05/1999US5962939 Outer-rotor type engine-operated generator
10/05/1999US5962938 Inside out electric motor
09/1999
09/30/1999WO1999049555A1 Brushless motor and method of manufacturing the same
09/30/1999WO1999049554A1 Electromotor, especially with a fan wheel for forming an axial or radial fan
09/30/1999WO1999049115A2 Device for forming a gauze edge using a motor comprising a rotor and a stator for housing said rotor
09/30/1999WO1999049114A2 Device for forming a doup edge with an electromotor comprising a rotor and a stator for accommodating the rotor
09/30/1999DE19812729A1 Elektromotor, insbesondere mit einem Lüfterrad zur Bildung eines Axial- oder Radiallüfters Electric motor, especially with a fan wheel for forming an axial or radial fan
09/30/1999DE19741256A1 Ball-cup generator
09/29/1999EP0945967A2 Electronically commutated motor
09/29/1999EP0945966A2 Electric motor
09/29/1999EP0945965A2 Motor/generator
09/29/1999EP0945964A2 Motor/generator
09/29/1999EP0945963A2 Motor/generator
09/29/1999EP0944948A1 Permanent magnet generator for providing alternating current which has a selected frequency
09/28/1999US5959377 Miniature DC brushless motor having radial air gap and single coil with axial winding
09/28/1999CA2146058C Elevator motor
09/27/1999CA2266695A1 Electric motor
09/23/1999WO1999048190A1 Multi-phase transverse flux machine
09/23/1999WO1999048187A1 Electric motor or generator
09/23/1999CA2323641A1 Electric motor or generator
09/22/1999CN2340124Y 无刷马达 Brushless motor
09/22/1999CN1229297A Permanent magnet rotor of brushless motor and production method thereof
09/21/1999US5955816 Energy storage flywheel apparatus and methods
09/21/1999US5955809 Permanent magnet generator with auxiliary winding
09/21/1999US5955808 Multi-phase electric machine with offset multi-polar electric pole units
09/21/1999US5954418 Synchronous motor with solid rotor axially displaced relative to coil
09/15/1999EP0942517A2 Transverse flux machine
09/15/1999EP0942510A1 Double excitation electrical machine, in particular an alternator for a motor vehicle
09/15/1999EP0941568A2 An electric machine
09/15/1999EP0746896B1 Hybrid alternator with voltage regulator
09/15/1999CN2338910Y Hub-type dynamo
09/15/1999CN1228639A Electrical machine with double excitation, especially motor vehicle alternator
09/15/1999CN1045143C Synchronous generator of three-phase ac and multi-phase rectification symultaneous power supply
09/14/1999US5952759 Brushless synchronous rotary electrical machine
09/14/1999US5952758 Rotating electrical machine with excitation coils, by magnets or with double excitation
09/14/1999US5952756 Permanent magnet energy conversion machine with magnet mounting arrangement
09/14/1999US5952755 Permanent magnet motor rotor
09/14/1999US5952753 Motor
09/10/1999WO1999045624A1 An improved electric motor
09/08/1999CN2337713Y Flywheel generator
09/08/1999CN2337712Y Mixed excitating power generator
09/07/1999US5949164 Disk storage device with electric motor with axially deep flange
09/07/1999CA2147653C Discoidal dynamo-electric machine
09/02/1999WO1999044274A1 Linear/rotary motor and method of use
09/02/1999WO1999044272A1 Axial gap dynamoelectric machine
09/01/1999EP0939480A2 Permanent magnet synchronous machine with integrated magnetic bearings
09/01/1999CN2336513Y Very low speed miniature AC permanent-magnet generator
08/1999
08/31/1999US5945766 Coreless-type BLDC motor and method of producing stator assembly having axial vibration attenuation arrangement
08/31/1999US5945760 Motor with built-in permanent magnets
08/26/1999WO1999043077A1 Rotor control for synchronous ac machines
08/26/1999DE4143440C2 Electric motor with radial flux rotor
08/25/1999CN2335304Y Portable multi-function rareearth energy-saving generator set
08/25/1999CN2335303Y Magnetic exciting electromagnetic motor
08/24/1999US5942873 Permanent magnet type synchronous machine
08/24/1999US5942832 Electromagnetic driving device with a movable permanent magnet
08/24/1999US5942829 Hybrid electrical machine including homopolar rotor and stator therefor
08/24/1999US5942828 Transverse flux machine
08/24/1999US5942824 Motor and method of manufacturing same
08/19/1999WO1999041829A2 Constant-power brushless dc motor
08/19/1999DE19905748A1 Permanent magnet motor
08/19/1999DE19806667A1 Synchronous machine, especially generator for car
08/18/1999EP0936101A2 Generator having impedance matching prime mover output capability for operation with maximized efficiency
08/18/1999CN1226104A Generator having impedance matching prime mover output capability for operation with maximized efficiency
08/17/1999US5939810 Rotor for synchronous motor
08/12/1999DE19800667A1 Transversal flux machine with mass-less passive rotor
08/11/1999EP0935330A2 Synchronous machine, in particular generator for a vehicle
08/10/1999US5936793 Capstan motor for a magnetic recording and reproducing apparatus
08/10/1999US5936325 For a motor vehicle
08/10/1999US5936322 Permanent magnet type synchronous motor
08/10/1999US5936320 Engine-driven permanent magnetic type welding generator
08/04/1999CN1224945A Double-exciting electric machine, especially alternating-current generator for vehicle
08/04/1999CN1224944A Double-exciting electric machine, especially alternating-current generator for vehicle
08/04/1999CN1044541C Lightweight high power electromagnetic transducer
08/04/1999CN1044540C Method for magnetization of permanent magnetic motor
08/03/1999US5932943 Bicycle dynamo having a rotary-current generator
08/03/1999US5932941 Spindle motor and method of manufacturing the same
08/03/1999US5932935 For providing emergency power in the event of a disruption in power
07/1999
07/29/1999DE19802786A1 Synchronous machine, especially generator or motor for a car
07/29/1999DE19802784A1 Synchronous machine, especially generator or motor for car
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